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Sciaky, Inc. is an American manufacturer of metal 3D printing systems and industrial welding systems, founded in 1939 and headquartered in Chicago, Illinois.It specializes in electron beam welding systems and services for aerospace manufacturers.
Electron-beam welding was developed by the German physicist Karl-Heinz Steigerwald in 1949, [1] who was at the time working on various electron-beam applications. Steigerwald conceived and developed the first practical electron-beam welding machine, which began operation in 1958. [ 2 ]
Since the beginning of electron-beam welding on an industrial scale at the end of the 1950s, countless electron-beam welders have been designed and are being used worldwide. These welders feature working vacuum chambers ranging from a few liters up to hundreds of cubic meters, with electron guns carrying power of up to 100 kW.
The electron beam is a highly efficient power source that can be both precisely focused and deflected using electromagnetic coils at rates well into thousands of hertz. Typical electron-beam welding systems have high power availability, with 30- and 42-kilowatt systems being most common.
EBM equipment in construction is similar to electron beam welding machines (see electron beam welding). EBM machines usually utilize voltages in the range of 150 to 200 kV to accelerate electrons to about 200,000 km/s. Magnetic lenses are used to focus the electron beam to the surface of the work-piece. By means of electromagnetic deflection ...
Electron-beam machining; Electron-beam processing; Electron-beam welding This page was last edited on 10 February 2018, at 14:02 (UTC). Text ...